一、1. parent 2. clean 3. cook 4. busy 5. grow
6. garden 7. sweet 8. pest 9. ladybird
二、1. Saturday morning 2. clean the car 3. help him 4. cook breakfast
5. in the kitchen 6. in the living room 7. sweep the floor 8. in his bedroom
9. in the afternoon 10. my cousin
三、1. are not watering 2. are dancing 3. is listening 4. are having
5. Is washing
四、1. My sister is cooking breakfast in the kitchen.
2.What are you doing?
3.My mother is busy in the bedroom.
4.The dog is sleeping in the park.
5.What is your brother doing now?
五、1. Are they singing in the classroom?
2.Are they doing housework? They are not doing housework.